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參數(shù)資料
| 型號： | LM2798 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | WIRE |
| 中文描述： | 一二零毫安高效降壓型開關(guān)電容電壓轉(zhuǎn)換器電壓監(jiān)測 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 388K |
| 代理商： | LM2798 |
Connection Diagram
LM2797/98
Mini SO-10 (MSOP-10) Package
NS Package #: MUB10A
20044502
Top View
Pin Description
Pin
1
2
3
4
5
Name
V
OUT
C1-
C1+
V
IN
POK
Description
Regulated Output Voltage
First Flying Capacitor: Negative Terminal
First Flying Capicitor: Positive terminal
Input Voltage. Recommended V
IN
Range: 2.6V to 5.5V
Power-OK Indicator: Output voltage sense. Open-drain NFET output. With an
external pull-up resistor tied to POK, V(POK) will be high when V
OUT
is
regulating correctly. When V
OUT
falls out of regulation, the internal open-drain
FET pulls the POK voltage low.
Battery-OK Indicator: Input voltage sense. Open-drain NFET output. With an
external pull-up resistor tied to BATOK, V(BATOK) will be high when V
IN
>
2.85V (typ). LM2797/98 pulls V(BATOK) low when V
IN
<
2.65V (typ.) , and/or
when the part is in shutdown [V(EN) = 0].
Enable Logic Input. High voltage = ON, Low voltage = SHUTDOWN
Second Flying Capacitor: Positive Terminal
Ground Connection
Second Flying Capacitor: Negative Terminal
6
BATOK
7
8
9
10
EN
C2+
GND
C2-
Ordering Information
Nominal
Output
Voltage
V
OUT(NOM)
Turn-on
Time
Order Number
Package Marking
Supplied As:
1.80V
100μs
LM2797MM-1.8
LM2797MMX-1.8
LM2798MM-1.5
LM2798MMX-1.5
LM2798MM-1.8
LM2798MMX-1.8
LM2798MM-2.0
LM2798MMX-2.0
S80B
1000 units on Tape-and Reel
3500 units on Tape-and-Reel
1000 units on Tape-and Reel
3500 units on Tape-and-Reel
1000 units on Tape-and Reel
3500 units on Tape-and-Reel
1000 units on Tape-and Reel
3500 units on Tape-and-Reel
1.50V
400μs
S56B
1.80V
400μs
S57B
2.00V
400μs
S58B
L
www.national.com
2
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| LM2798MM-1.5 | 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring |
| LM2798MMX-1.8 | 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring |
| LM2798MMX-1.5 | 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring |
| LM2798MM-2.0 | 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring |
| LM2798MM-1.8 | 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2798C-1.5 WAF | 制造商:Texas Instruments 功能描述: |
| LM2798C-1.8 WAF | 制造商:Texas Instruments 功能描述: |
| LM2798C-2.0 WAF | 制造商:Texas Instruments 功能描述: |
| LM2798MM-1.5 | 制造商:Texas Instruments 功能描述:CONVERTER 120MA BUCK SMD MSOP10 |
| LM2798MM-1.5/NOPB | 功能描述:IC REG BUCK SWITCHED CAP 10MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
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